Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751132AbWBBTxz (ORCPT ); Thu, 2 Feb 2006 14:53:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751133AbWBBTxz (ORCPT ); Thu, 2 Feb 2006 14:53:55 -0500 Received: from uproxy.gmail.com ([66.249.92.207]:61514 "EHLO uproxy.gmail.com") by vger.kernel.org with ESMTP id S1751132AbWBBTxz convert rfc822-to-8bit (ORCPT ); Thu, 2 Feb 2006 14:53:55 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:sender:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=jOZkT8glmBWnpu4xE2t0gFNeRybcNYHJWVcPRHk9XdfFyol5UICPYEG8EHXplohOP0SGWYZf/ZAZfULBoIThpMXFBjWe6gtGb/h6ci5cYhS/SbfJuqwtxgUbCCHZIGkpntgncFqR6gzpQCOzu/mzHGb4trqEyTF35hX/1APdcWs= Message-ID: <84144f020602021153w477311f8t70f953c78d3e251@mail.gmail.com> Date: Thu, 2 Feb 2006 21:53:53 +0200 From: Pekka Enberg To: Dave Jones , Linux Kernel Subject: Re: discriminate single bit error hardware failure from slab corruption. In-Reply-To: <20060202192414.GA22074@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Content-Disposition: inline References: <20060202192414.GA22074@redhat.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 908 Lines: 22 On 2/2/06, Dave Jones wrote: > In the case where we detect a single bit has been flipped, we spew > the usual slab corruption message, which users instantly think > is a kernel bug. In a lot of cases, single bit errors are > down to bad memory, or other hardware failure. > > This patch adds an extra line to the slab debug messages in those > cases, in the hope that users will try memtest before they report a bug. > > 000: 6b 6b 6b 6b 6a 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b > Single bit error detected. Possibly bad RAM. Please run memtest86. > > Signed-off-by: Dave Jones Looks good to me. Pekka - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/